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GeForce 9400 GT 256MB vs GeForce GT 210

Intro

The GeForce 9400 GT 256MB has a core clock frequency of 550 MHz and a GDDR2 memory frequency of 400 MHz. It also uses a 128-bit bus, and uses a 65 nm design. It is comprised of 16 SPUs, 8 Texture Address Units, and 4 Raster Operation Units.

Compare all of that to the GeForce GT 210, which comes with core clock speeds of 589 MHz on the GPU, and 800 MHz on the 512 MB of DDR3 RAM. It features 16 SPUs as well as 8 TAUs and 4 Rasterization Operator Units.

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Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

GeForce GT 210 31 Watts
GeForce 9400 GT 256MB 50 Watts
Difference: 19 Watts (61%)

Memory Bandwidth

Both cards have exactly the same bandwidth, so in theory they should perform exactly the same. (explain)

Texel Rate

The GeForce GT 210 should be a small bit (approximately 7%) better at texture filtering than the GeForce 9400 GT 256MB. (explain)

GeForce GT 210 4712 Mtexels/sec
GeForce 9400 GT 256MB 4400 Mtexels/sec
Difference: 312 (7%)

Pixel Rate

If running with high levels of AA is important to you, then the GeForce GT 210 is the winner, though not by far. (explain)

GeForce GT 210 2356 Mpixels/sec
GeForce 9400 GT 256MB 2200 Mpixels/sec
Difference: 156 (7%)

Please note that the above 'benchmarks' are all just theoretical - the results were calculated based on the card's specifications, and real-world performance may (and probably will) vary at least a bit.

Price Comparison

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GeForce 9400 GT 256MB

Amazon.com

Check prices at:

GeForce GT 210

Amazon.com

Check prices at:

Please note that the price comparisons are based on search keywords - sometimes it might show cards with very similar names that are not exactly the same as the one chosen in the comparison. We do try to filter out the wrong results as best we can, though.

Specifications

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Model GeForce 9400 GT 256MB GeForce GT 210
Manufacturer nVidia nVidia
Year August 2008 October 2009
Code Name G96a GT218
Memory 256 MB 512 MB
Core Speed 550 MHz 589 MHz
Memory Speed 800 MHz 1600 MHz
Power (Max TDP) 50 watts 31 watts
Bandwidth 12800 MB/sec 12800 MB/sec
Texel Rate 4400 Mtexels/sec 4712 Mtexels/sec
Pixel Rate 2200 Mpixels/sec 2356 Mpixels/sec
Unified Shaders 16 16
Texture Mapping Units 8 8
Render Output Units 4 4
Bus Type GDDR2 DDR3
Bus Width 128-bit 64-bit
Fab Process 65 nm 40 nm
Transistors 314 million 260 million
Bus PCIe x16 2.0, PCI PCIe 2.0
DirectX Version DirectX 10 DirectX 10.1
OpenGL Version OpenGL 3.0 OpenGL 3.2

Memory Bandwidth: Memory bandwidth is the largest amount of data (measured in megabytes per second) that can be transferred across the external memory interface in one second. It's worked out by multiplying the bus width by its memory clock speed. If it uses DDR type RAM, the result should be multiplied by 2 again. If DDR5, multiply by ANOTHER 2x. The higher the card's memory bandwidth, the faster the card will be in general. It especially helps with AA, HDR and higher screen resolutions.

Texel Rate: Texel rate is the maximum number of texture map elements (texels) that are applied per second. This number is calculated by multiplying the total amount of texture units of the card by the core clock speed of the chip. The better the texel rate, the better the card will be at handling texture filtering (anisotropic filtering - AF). It is measured in millions of texels in a second.

Pixel Rate: Pixel rate is the maximum amount of pixels that the graphics chip can possibly record to the local memory in one second - measured in millions of pixels per second. Pixel rate is calculated by multiplying the number of ROPs by the the core clock speed. ROPs (Raster Operations Pipelines - also sometimes called Render Output Units) are responsible for drawing the pixels (image) on the screen. The actual pixel output rate is also dependant on lots of other factors, especially the memory bandwidth of the card - the lower the memory bandwidth is, the lower the ability to reach the max fill rate.

Display Prices

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GeForce 9400 GT 256MB

Amazon.com

Check prices at:

GeForce GT 210

Amazon.com

Check prices at:

Please note that the price comparisons are based on search keywords - sometimes it might show cards with very similar names that are not exactly the same as the one chosen in the comparison. We do try to filter out the wrong results as best we can, though.

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